systemd-status-mail from openSUSE:infrastructure:Micro project
Select Your Operating System
Add repository and install manually
For Micro 5.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:infrastructure:Micro/Micro_5.4/openSUSE:infrastructure:Micro.repo zypper refresh zypper install systemd-status-mail